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Noise-generating aircraft propeller. Aircraft noise is noise pollution produced by an aircraft or its components, whether on the ground while parked such as auxiliary power units, while taxiing, on run-up from propeller and jet exhaust, during takeoff, underneath and lateral to departure and arrival paths, over-flying while en route, or during landing.
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Accordingly, Greece established in 1996 according to Police Order 3 the hours of common quiet 15:00 to 17:30 and from 23:00 to 07:00 in the summer season and 15:30 to 17:30 and from 22:00 until 07:30. [4] Quiet hours are times during a day or
Based on the data given in Tables 11 and 12, it appears that the approach noise of the Concorde is somewhat higher than that for present day commercial aircraft. The takeoff noise is, for locations close the airport, considerably higher than present aircraft. Considerably higher, here, means more than an order of magnitude (10 db) louder.
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LAeq can be further broken up into different types of noise based on time of day; however, cutoffs for evening and nighttime hours may differ between countries, with the United States, Belgium, and New Zealand noting evening hours from 19:00-22:00 or 7:00pm–10:00pm and nighttime hours from 22:00-7:00 or 10:00pm–7:00am and most European ...
The X-54A was reported as being developed by Gulfstream Aerospace and is intended to be powered by two Rolls-Royce Tay turbofan engines. [1] The X-54A may be connected to Gulfstream's "Sonic Whisper" program, trademarked in 2005 as an aircraft design to "reduce boom intensities during supersonic flight"; [9] besides Gulfstream, Lockheed Martin and Boeing have also produced viable designs for ...
New oral history of "Airplane!" traces the making of the beloved parody of 1970s disaster movies. 'Airplane!' creators to tell all about their surprise 1980 hit movie at Dearborn event